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In the past few years wireless sensor networks have received a greater interest in application such as disaster management, border protection, combat field reconnaissance and security surveillance. Sensor nodes are expected to operate autonomously in unattended environments and potentially in large numbers. WSNs cannot be deployed manually in a hostile or harsh environment. Thus, WSNs can be formed...
This paper proposes self-deploying approaches for sensor networks. The gravitational field (GF) and the radioactive decay (RD) are used to model the repulsion forces between sensor nodes. The Received Signal Strength (RSS) is transformed to the repulsion force for computing the next move distance and direction. The GF approach reduces the power consumption on communication overheads while the RD approach...
In wireless sensor network, one of the fundamental issues is coverage. The coverage problem is discussed in this paper. The effective coverage for the monitored areas or targets provided by sensor networks is a very important criterion of their effectiveness. In this paper, we study the types of the coverage problem according to the deployment of the networks, the characters of monitored areas or...
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